KIT INCLUDES ONE BELT, THAT REPLACES 532405143, 584453101, 405143, 15-022, 21008, 575937701, 12286 AND 7133156, AND MANY MORE. BELT SPECS: APPLICATION: DECK WIDTH: 1/2" LENGTH: 106". AND TWO REPLACEMENT BLADES FOR 21546611, 403107,405380, 40S380,531309715, 532403107, 917532403107, 917532405380, 917777405380, 33266,403107, 403107, 503405380, 532405380, 532405380, 575937901, 777405380 AND 21011. BLADE LENGTH 22 7/8" CENTER HOLE 5 PT. STAR WIDTH 2 3/4" THICKNESS .164".Warning:Lead-Nickel-Cancer and Reproductive Harm